Solution:

1. Ans. D.

If total numbers of word is even then we use:
Letter= Opposite of last alphabet
Symbol= %
Number= Opposite of first alphabet
If total numbers of word is odd then we use:
Letter= Opposite of the first alphabet
Symbol= &
Number= Opposite of the last alphabet
Having (even)- T%19

2. Ans. B.

If total numbers of word is even then we use:
Letter= Opposite of last alphabet
Symbol= %
Number= Opposite of first alphabet
If total numbers of word is odd then we use:
Letter= Opposite of the first alphabet
Symbol= &
Number= Opposite of the last alphabet
Gone (even)- V%20

3. Ans. A.

If total numbers of word is even then we use:
Letter= Opposite of last alphabet
Symbol= %
Number= Opposite of first alphabet
If total numbers of word is odd then we use:
Letter= Opposite of the first alphabet
Symbol= &
Number= Opposite of the last alphabet
X&7- Court (odd)

4. Ans. B

If total numbers of word is even then we use:
Letter= Opposite of last alphabet
Symbol= %
Number= Opposite of first alphabet
If total numbers of word is odd then we use:
Letter= Opposite of the first alphabet
Symbol= &
Number= Opposite of the last alphabet
Just (even) For(odd) Challenge(odd)- G%17, U&9, X&22

5. Ans. C

If total numbers of word is even then we use:
Letter= Opposite of last alphabet
Symbol= %
Number= Opposite of first alphabet
If total numbers of word is odd then we use:
Letter= Opposite of the first alphabet
Symbol= &
Number= Opposite of the last alphabet
Spirit (even)- G%8